cdrcjsn said:"Novice Power Any class-specific multiclass Swap one encounter power with one of multiclass feats, 4th level
Acolyte Power Any class-specific multiclass Swap one utility power with one of multiclass feats, 8th level
Adept Power Any class-specific multiclass Swap one daily power with one of multiclass feats, 10th level "
Those feats seem to indicate that you can get powers earlier.
I was reading those as the level of the power, rather than the level prerequisite. It makes more sense that way.
I didn't really expect it to be a 'paragon path or multiclass' decision. That'd be very much against the spirit of things.